SunwayFoto CR-30C 360deg. Panoramic Kit with Clamp, 12 Click Stop Horizontal, 24 Click Stop Vertical Horizontal Rotator (Panning Base) is laser-engraved with index marks from 0-360, with 5 increments Horizontal Rotator (Panning Base) has 12 Detent Click stops available at 30 increments. Vertical Rotator has 24 click stops available at 15 increments. All metal construction. Knobs are all metal with no plastic or rubber Includes Arca Compatible Clamp.